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Posted to dev@tomcat.apache.org by ma...@apache.org on 2022/03/15 17:02:27 UTC

[tomcat] branch 10.0.x updated: Avoid possible NPE

This is an automated email from the ASF dual-hosted git repository.

markt pushed a commit to branch 10.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/10.0.x by this push:
     new b0f2793  Avoid possible NPE
b0f2793 is described below

commit b0f279341b08517bee3490f53965a5126d0d97f2
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Tue Mar 15 16:47:05 2022 +0000

    Avoid possible NPE
    
    No functional change since NPE would be swallowed but this saves
    generating the NPE.
---
 java/org/apache/tomcat/util/IntrospectionUtils.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/java/org/apache/tomcat/util/IntrospectionUtils.java b/java/org/apache/tomcat/util/IntrospectionUtils.java
index a1f718d..ff13d11 100644
--- a/java/org/apache/tomcat/util/IntrospectionUtils.java
+++ b/java/org/apache/tomcat/util/IntrospectionUtils.java
@@ -303,7 +303,7 @@ public final class IntrospectionUtils {
     private static String replaceProperties(String value,
             Hashtable<Object,Object> staticProp, PropertySource dynamicProp[],
             ClassLoader classLoader, int iterationCount) {
-        if (value.indexOf("${") < 0) {
+        if (value == null || value.indexOf("${") < 0) {
             return value;
         }
         if (iterationCount >=20) {

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